Finding the Fourth Proportional to 368,514.24, 508,680.96 and 217,611.84
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Solution
The fourth proportional to 368,514.24, 508,680.96 and 217,611.84 is: 300,381.88
Step by Step Solution
- Step 1: Write the proportion equation
368,514.24 : 508,680.96 = 217,611.84 : x - Step 2: Convert to fraction form
368,514.24/508,680.96 = 217,611.84/x - Step 3: Cross multiply
368,514.24x = 508,680.96 × 217,611.84 - Step 4: Simplify right side
368,514.24x = 110,694,999,678.57 - Step 5: Solve for x
x = 110,694,999,678.57/368,514.24 - Step 6: Final answer
x = 300,381.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.